package src.lab02.test12;

/**
 * Created by 林云志 on 2017/10/20.
 */
public class Circle extends Shape {
    //属性：半径
    double raduis;

    @Override
    double area() {
        return Math.PI*raduis*raduis;
    }

    @Override
    double perimerter() {
        return 2*Math.PI*raduis;
    }
}
